Usage Tips:Constructed from Robust Carbon Steel: Each brush in this set is crafted from high-quality carbon steel, ensuring exceptional durability and resistance to wear. The 0.012-inch crimped carbon steel wires are securely fixed to prevent breakage or bending during rigorous use. Universal Drill Compatibility: Designed with a 1/4-inch hex shank, these brushes offer unmatched stability and strength, eliminating slippage. They are compatible with a wide range of drills and die grinders, making them suitable for various applications. Comprehensive Set for Multiple Uses: This kit includes 15 brushes (3 pen brushes, 3 cup brushes, 3 wheel brushes, and 6 bore brushes), providing a versatile solution for cleaning both spacious and confined spaces effectively. Ideal for Tough Cleaning Tasks: Effortlessly tackle heavy corrosion, rust, paint, and limescale. These brushes are also perfect for cleaning weld seams and removing burrs from metal and paint, making them indispensable for detailed cleaning jobs. Perfect Gift for DIY Enthusiasts: A thoughtful gift for DIY lovers and handymen, this wire brush set is ideal for occasions like Thanksgiving, Father's Day, Christmas, or birthdays, helping your loved ones tackle their projects with ease. Colour:As Shown Material:Carbon Steel Package Contents: 1 set * Replace brush head Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.